Hot water bottle cover



FIG. 1 is a perspective view of a hot water bottle cover, wherein the broken lines represent environment only and form no part of the claimed design;

FIG. 2 is a top view thereof;

FIG. 3 is a right side view thereof, the left side being a mirror image;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a back view thereof. 

CLAIM The ornamental design for a hot water bottle cover, as shown and described. 